Home / 1,304,927.12-1,958,822.40-1,036,778.78

Finding the Fourth Proportional to 1,304,927.12, 1,958,822.40 and 1,036,778.78

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Solution

The fourth proportional to 1,304,927.12, 1,958,822.40 and 1,036,778.78 is: 1,556,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,927.12 : 1,958,822.40 = 1,036,778.78 : x
  2. Step 2: Convert to fraction form
    1,304,927.12/1,958,822.40 = 1,036,778.78/x
  3. Step 3: Cross multiply
    1,304,927.12x = 1,958,822.40 × 1,036,778.78
  4. Step 4: Simplify right side
    1,304,927.12x = 2,030,865,498,108.67
  5. Step 5: Solve for x
    x = 2,030,865,498,108.67/1,304,927.12
  6. Step 6: Final answer
    x = 1,556,305.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.